EFI
Lectures
Generic boot sequence
(Comments in parens additional descriptions, usually not required on
test questions)
Power Up (On power up or reset)
Initialize PC and start execution of ROM bootstrap.
Bootstrap process
Initialize bios routine pointers.
Identify and Activates basic I/O.
(additional code/data on interface of I/O devices).
Generic IPL (2nd stage)
Access MBR of primary drive.
(Run boot code and identify active partition.)
Transfer boot process to volume boot record of active (OS) partition.
OS load.
Load OS core modules.
Configure OS/hardware interfaces.
Customize OS according to configuration files.
(May include starting an number of secondary processes)
User Interface
Activate user interface based on additional configuration files.